← RSS + PostgreSQL integrations

Delete Row(s) with PostgreSQL API on New Item in Feed from RSS API

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Trigger workflow on
New Item in Feed from the RSS API
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Delete Row(s) with the PostgreSQL API
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Getting Started

This integration creates a workflow with a RSS trigger and PostgreSQL action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Select this integration
  2. Configure the New Item in Feed trigger
    1. Connect your RSS account
    2. Configure timer
    3. Configure Feed URL
  3. Configure the Delete Row(s) action
    1. Connect your PostgreSQL account
    2. Select a Schema
    3. Select a Table
    4. Select a Lookup Column
    5. Select a Lookup Value
    6. Optional- Configure Reject Unauthorized
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, open source components from Pipedream's GitHub repo. These components are developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

Trigger

Description:Emit new items from an RSS feed
Version:1.0.3
Key:rss-new-item-in-feed

Trigger Code

import rss from "../../app/rss.app.mjs";
import { defineSource } from "@pipedream/types";
import rssCommon from "../common/common.mjs";
export default defineSource({
    ...rssCommon,
    key: "rss-new-item-in-feed",
    name: "New Item in Feed",
    description: "Emit new items from an RSS feed",
    version: "1.0.3",
    type: "source",
    dedupe: "unique",
    props: {
        ...rssCommon.props,
        url: {
            propDefinition: [
                rss,
                "url",
            ],
        },
    },
    hooks: {
        async activate() {
            // Try to parse the feed one time to confirm we can fetch and parse.
            // The code will throw any errors to the user.
            await this.rss.fetchAndParseFeed(this.url);
        },
    },
    async run() {
        const items = await this.rss.fetchAndParseFeed(this.url);
        this.rss.sortItems(items).forEach((item) => {
            const meta = this.generateMeta(item);
            this.$emit(item, meta);
        });
    },
});

Trigger Configuration

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.
LabelPropTypeDescription
RSSrssappThis component uses the RSS app.
timer$.interface.timer

How often you want to poll the feed for new items

Feed URLurlstring

Enter the URL for any public RSS feed

Trigger Authentication

The RSS API does not require authentication.

About RSS

Real Simple Syndication

Action

Description:Deletes a row or rows from a table. [See Docs](https://node-postgres.com/features/queries)
Version:0.0.6
Key:postgresql-delete-rows

PostgreSQL Overview

Assuming you want a few paragraphs on what you can do with the PostgreSQL API:

The following examples demonstrate some of the things that can be done with the
PostgreSQL API:

  • Developing a custom storage engine for PostgreSQL
  • Adding a new data type to PostgreSQL
  • Creating a new function for PostgreSQL
  • Building a graphical user interface for PostgreSQL
  • And much more!

Action Code

import postgresql from "../../postgresql.app.mjs";

export default {
  name: "Delete Row(s)",
  key: "postgresql-delete-rows",
  description: "Deletes a row or rows from a table. [See Docs](https://node-postgres.com/features/queries)",
  version: "0.0.6",
  type: "action",
  props: {
    postgresql,
    schema: {
      propDefinition: [
        postgresql,
        "schema",
      ],
    },
    table: {
      propDefinition: [
        postgresql,
        "table",
        (c) => ({
          schema: c.schema,
        }),
      ],
    },
    column: {
      propDefinition: [
        postgresql,
        "column",
        (c) => ({
          table: c.table,
          schema: c.schema,
        }),
      ],
      label: "Lookup Column",
      description: "Find row(s) by searching for a value in this column",
    },
    value: {
      propDefinition: [
        postgresql,
        "value",
        (c) => ({
          table: c.table,
          column: c.column,
          schema: c.schema,
        }),
      ],
    },
    rejectUnauthorized: {
      propDefinition: [
        postgresql,
        "rejectUnauthorized",
      ],
    },
  },
  async run({ $ }) {
    const {
      table,
      schema,
      column,
      value,
      rejectUnauthorized,
    } = this;

    try {
      const rows = await this.postgresql.deleteRows(
        schema,
        table,
        column,
        value,
        rejectUnauthorized,
      );
      $.export("$summary", `Deleted ${rows.length} rows from ${table}`);
      return rows;
    } catch (error) {
      throw new Error(`
      Row not deleted due to an error. ${error}.
      This could be because SSL verification failed, consider changing the Reject Unauthorized prop and try again.
    `);
    }
  },
};

Action Configuration

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI.

LabelPropTypeDescription
PostgreSQLpostgresqlappThis component uses the PostgreSQL app.
SchemaschemastringSelect a value from the drop down menu.
TabletablestringSelect a value from the drop down menu.
Lookup ColumncolumnstringSelect a value from the drop down menu.
Lookup ValuevaluestringSelect a value from the drop down menu.
Reject UnauthorizedrejectUnauthorizedboolean

If not false, the server certificate is verified against the list of supplied CAs. An 'error' event is emitted if verification fails

Action Authentication

PostgreSQL uses API keys for authentication. When you connect your PostgreSQL account, Pipedream securely stores the keys so you can easily authenticate to PostgreSQL APIs in both code and no-code steps.

Before you connect to your PostgreSQL database from Pipedream, please make sure your database is either:

  1. Accessible from the public internet (You may need to add a firewall rule on 0.0.0.0/0 on port 3306), or

  2. Accessible from an SSH server that you route PostgreSQL requests through

After that, enter the following values:

  • host: The hostname or IP address of your PostgreSQL server
  • port: 3306, unless you run PostgreSQL on a different port
  • username: The account username to log in
  • password: The account password to log in
  • database: The name of the PostgreSQL database to run queries against

About PostgreSQL

The World's Most Advanced Open Source Relational Database

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